Altamira Gold lifts Maria Bonita indicated resources

Altamira Gold reported a higher mineral resource estimate at its Maria Bonita porphyry deposit in Brazil’s Cajueiro district, effective Sept. 16, 2026. Indicated open-pit resources rose to 25 Mt at 0.50 g/t gold, containing 403,877 oz, using a 0.24 g/t cut-off. Inferred resources increased to 70 Mt at 0.41 g/t gold, containing 908,477 oz, up 150% versus the 2025 estimate.